how do you find out if this triangle is a right triangle?
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How do you find out if this triangle is a right triangle?. 14 ft. 7 ft. 16 ft. In this lesson, you will learn how to classify a triangle by using the Pythagorean Theorem. . 75 0. 60 0. 45 0. 120 0. 90 0. Pythagorean Theorem. leg 2 + leg 2 = hypotenuse 2. a 2 + b 2 = c 2. c. - PowerPoint PPT PresentationTRANSCRIPT
How do you find out if this triangle is a right triangle?
7 ft14 ft
16 ft
In this lesson, you will learn how to classify a triangle by
using the Pythagorean Theorem.
Let’s ReviewLet’s Review
900 1200
600
750
450
Let’s ReviewLet’s Review
Pythagorean Theorem
a2 + b2 = c2
a
b
c
leg2 + leg2 = hypotenuse2
leg
leg hypotenuse
Let’s ReviewA Common Mistakea2 + b2 = c2
Which side is the
hypotenuse?
92 + 122 = 1529 in
15 in12 in
Let’s ReviewCore Lesson
9 in
40 in
41 in 81 + 1600 =
16811681 = 1681
a2 + b2 = c2
Right Triangle
?92 + 402 = 412
?
Let’s ReviewCore Lesson
72 + 142 = 162
49 + 196 = 256
245 < 256
leg2 + leg2 = hypotenuse2
Obtuse Triangle
?
?16 in 14 in
7 in
Let’s ReviewCore Lesson
62 + 122 = 132
36 + 144 = 169
180 > 169
a2 + b2 = c2
Acute Triangle
?
?
12 cm 6 cm
13 cm
In this lesson, you have learned how classify a triangle
by using the Pythagorean Theorem.
Let’s ReviewGuided Practice
7 ft14 ft
16 ft
Classify the triangle below as acute, obtuse or right. Justify your answer.
Let’s ReviewExtension Activities Classify the triangle below as acute, obtuse or right. Justify your answer.
6 in
10 in8 in
Let’s ReviewExtension Activities Classify the triangle below as acute, obtuse or right. Justify your answer.
26 cm
24 cm 12 cm
Let’s ReviewQuick Quiz1) Below are the measurements of a triangle. Using the Pythagorean Theorem, classify the triangle as acute, obtuse, or right.
15, 36, 39
Let’s ReviewQuick Quiz2) Below are the measurements of a triangle. Using the Pythagorean Theorem, classify the triangle as acute, obtuse, or right.
16, 18, 26